842129-89-9 Usage
Chemical Properties
Yellow Oil
Uses
Labelled β-Tocopherol. One of the naturally occurring forms of Vitamin E. Is biologically less active than α-Tocopherol.
Check Digit Verification of cas no
The CAS Registry Mumber 842129-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,2 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 842129-89:
(8*8)+(7*4)+(6*2)+(5*1)+(4*2)+(3*9)+(2*8)+(1*9)=169
169 % 10 = 9
So 842129-89-9 is a valid CAS Registry Number.